We are seeking a Senior Front-End Software Developer to support the development and enhancement of large-scale enterprise web applications for a public-sector environment in Toronto. The ideal candidate will bring strong experience across Java, React, JavaScript, TypeScript, HTML5/CSS, RxJS, Oracle, Spring, and responsive web development, along with hands-on experience delivering accessible applications compliant with AODA/WCAG 2.0 AA standards.

Key Responsibilities

- Design, develop, test, debug, document, and maintain enterprise web applications.

- Develop responsive and user-friendly front-end interfaces using React, JavaScript, TypeScript, HTML5, and CSS.

- Build and maintain application functionality using Java, Spring Framework, Spring Boot, MVC, JPA, and Hibernate.

- Develop and integrate applications with Oracle databases, including SQL, tables, views, sequences, stored procedures, functions, and triggers.

- Work with RxJS, Node.js/NPM, Bootstrap, jQuery, Maven, and Bitbucket.

- Translate technical specifications and business requirements into tested, production-ready applications.

- Troubleshoot and resolve technical issues throughout development, implementation, migration, and post-implementation phases.

- Ensure applications meet AODA/WCAG 2.0 AA accessibility requirements.

- Collaborate with developers, IT professionals, business stakeholders, and subject matter experts throughout the SDLC.

- Participate in design walkthroughs, code reviews, testing, deployment, and application support.

- Contribute to complex,



large-scale systems while meeting project deadlines and quality standards.

Must-Haves

- 10+ years of Java development experience

- 10+ years of JavaScript experience

- 5+ years of React

- 5+ years of TypeScript

- 5+ years of HTML5/CSS

- 5+ years of RxJS

- Previous Ontario Public Service (OPS) experience

- Strong experience with Spring Framework, Spring Boot, MVC, Security, JPA/Hibernate

- Experience with WebSphere 8.5+

- Experience with Eclipse, IBM RAD, or IBM RSA

- 10+ years of Oracle Database experience, including Oracle 11g+

- Strong Oracle SQL and database object experience

- Experience with Node.js/NPM, Maven, Bitbucket, Bootstrap, and jQuery

- Experience developing responsive web applications

- AODA/WCAG 2.0 AA experience is mandatory

- Strong analytical, troubleshooting, communication, collaboration, and problem-solving skills

- Ability to work onsite 5 days per week in Toronto

Nice-to-Haves

- Previous Canadian public-sector/government experience

- Experience working with large-scale or complex enterprise systems

- Experience with middleware and gateways

- Experience with Social Media APIs

- Knowledge of Information Management principles and practices

- Experience with RAD methodologies

- Experience with application migration and conversion

- Experience providing post-implementation support

- Experience conducting design walkthroughs

- Experience developing user and system documentation

- Experience with third-party integrations and external technology partners

- Solid understanding of cross-browser compatibility and responsive frameworks

📌 Senior Front-End Developer (Toronto)
🏢 Teckhorizon
📍 Toronto